Patent · US Expired

Polybenzobisthiazole from aryloxy naphthalic diacid

US4709006A · kind A · utility

13Cited by
4References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 16, 1986
Grant dateNov 24, 1987
Priority date
Expiry dateApr 16, 2006

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G73/22
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A polymer having repeating units of the general formula ##STR1## wherein BB is a benzobisaxazole, benzobisthiazole or benzobisimidazole group and Y is a phenolic, pyridyl or phenoxyphenyl group.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.